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 # Method GetSubVariables

 Last update: 19.06.2026 

Namespace: [Phoenix.ComponentPlugInSDK](Phoenix.ComponentPlugInSDK.md)  
Assembly: Phoenix.ComponentPlugInSDK.dll

## GetSubVariables(PHXVariable)

Call when Tree Node gets selected so variables can be supplied dynamically.

```csharp
public virtual IList<PHXVariable> GetSubVariables(PHXVariable parent)


```

### Parameters

`parent` PHXVariable

The parent group variable whose children should be returned.

### Returns

[IList](https://learn.microsoft.com/dotnet/api/system.collections.generic.ilist-1)&lt;PHXVariable&gt;

List of new variables to be added dynamically to the dataset based on the selected node.